Service Provider emulation of a frame-relay network using MPLS.

One of the cool things about MPLS is its versatility. In this post i will show how its possible for a service provider to support legacy frame-relay installations without actually having any frame-relay switches. I will establish an MPLS core and show how a customer with three sites, one hub site and two spoke sites, will never even know that the core is running MPLS and not end-to-end frame-relay.
Read more...